Line Coverage for Module :
prim_pulse_sync
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Module :
prim_pulse_sync
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T1,T3,T4 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T3,T4 |
1 | 1 | Covered | T1,T2,T3 |
Branch Coverage for Module :
prim_pulse_sync
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Module :
prim_pulse_sync
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
307528 |
0 |
0 |
T1 |
299630 |
61 |
0 |
0 |
T2 |
25763 |
0 |
0 |
0 |
T3 |
179799 |
36 |
0 |
0 |
T4 |
105974 |
61 |
0 |
0 |
T5 |
617982 |
10 |
0 |
0 |
T6 |
655828 |
29 |
0 |
0 |
T7 |
289724 |
61 |
0 |
0 |
T8 |
362183 |
29 |
0 |
0 |
T9 |
240337 |
0 |
0 |
0 |
T10 |
373002 |
34 |
0 |
0 |
T11 |
227775 |
68 |
0 |
0 |
T12 |
255584 |
36 |
0 |
0 |
T13 |
171132 |
64 |
0 |
0 |
T14 |
395989 |
32 |
0 |
0 |
T15 |
0 |
32 |
0 |
0 |
T16 |
0 |
72 |
0 |
0 |
T17 |
0 |
32 |
0 |
0 |
T18 |
0 |
64 |
0 |
0 |
T19 |
0 |
136 |
0 |
0 |
T20 |
0 |
28 |
0 |
0 |
T21 |
108025 |
0 |
0 |
0 |
T22 |
18952 |
0 |
0 |
0 |
T23 |
143106 |
0 |
0 |
0 |
T24 |
25580 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
20 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
0 |
4 |
0 |
0 |
T103 |
0 |
20 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
309938 |
0 |
0 |
T1 |
1197 |
61 |
0 |
0 |
T2 |
106 |
0 |
0 |
0 |
T3 |
733 |
36 |
0 |
0 |
T4 |
1245 |
61 |
0 |
0 |
T5 |
309954 |
10 |
0 |
0 |
T6 |
328925 |
29 |
0 |
0 |
T7 |
146590 |
61 |
0 |
0 |
T8 |
362183 |
29 |
0 |
0 |
T9 |
240337 |
0 |
0 |
0 |
T10 |
373002 |
34 |
0 |
0 |
T11 |
116703 |
68 |
0 |
0 |
T12 |
9608 |
36 |
0 |
0 |
T13 |
69964 |
64 |
0 |
0 |
T14 |
32998 |
32 |
0 |
0 |
T15 |
0 |
32 |
0 |
0 |
T16 |
0 |
72 |
0 |
0 |
T17 |
0 |
32 |
0 |
0 |
T18 |
0 |
64 |
0 |
0 |
T19 |
0 |
136 |
0 |
0 |
T20 |
0 |
28 |
0 |
0 |
T21 |
899 |
0 |
0 |
0 |
T22 |
9587 |
0 |
0 |
0 |
T23 |
72972 |
0 |
0 |
0 |
T24 |
12946 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
20 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
0 |
4 |
0 |
0 |
T103 |
0 |
20 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn_val_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn_val_0_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 5 | 2 | 40.00 |
Logical | 5 | 2 | 40.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests | Exclude Annotation |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Unreachable | |
1 | 0 | Excluded | |
VC_COV_UNR |
1 | 1 | Unreachable | |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Not Covered | |
1 | 0 | Not Covered | |
1 | 1 | Not Covered | |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn_val_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn_val_0_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn_val_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn_val_1_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 5 | 2 | 40.00 |
Logical | 5 | 2 | 40.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests | Exclude Annotation |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Unreachable | |
1 | 0 | Excluded | |
VC_COV_UNR |
1 | 1 | Unreachable | |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Not Covered | |
1 | 0 | Not Covered | |
1 | 1 | Not Covered | |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn_val_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn_val_1_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_fsm_state_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_fsm_state_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 6 | 75.00 |
Logical | 8 | 6 | 75.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T11,T12 |
1 | 0 | Covered | T5,T11,T12 |
1 | 1 | Not Covered | |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T11,T12 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T5,T11,T12 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_fsm_state_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_fsm_state_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
87 |
0 |
0 |
T5 |
642 |
1 |
0 |
0 |
T6 |
674 |
0 |
0 |
0 |
T7 |
1152 |
0 |
0 |
0 |
T8 |
6466 |
0 |
0 |
0 |
T9 |
4711 |
0 |
0 |
0 |
T10 |
774 |
0 |
0 |
0 |
T11 |
1877 |
1 |
0 |
0 |
T12 |
0 |
1 |
0 |
0 |
T19 |
0 |
1 |
0 |
0 |
T22 |
74 |
0 |
0 |
0 |
T23 |
946 |
0 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T41 |
0 |
1 |
0 |
0 |
T42 |
0 |
1 |
0 |
0 |
T43 |
0 |
1 |
0 |
0 |
T44 |
0 |
1 |
0 |
0 |
T45 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
386 |
0 |
0 |
T5 |
308670 |
5 |
0 |
0 |
T6 |
327577 |
0 |
0 |
0 |
T7 |
144286 |
0 |
0 |
0 |
T8 |
355717 |
0 |
0 |
0 |
T9 |
235626 |
0 |
0 |
0 |
T10 |
372228 |
0 |
0 |
0 |
T11 |
112949 |
4 |
0 |
0 |
T12 |
0 |
5 |
0 |
0 |
T19 |
0 |
10 |
0 |
0 |
T22 |
9439 |
0 |
0 |
0 |
T23 |
71080 |
0 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T30 |
0 |
8 |
0 |
0 |
T40 |
0 |
9 |
0 |
0 |
T41 |
0 |
10 |
0 |
0 |
T42 |
0 |
5 |
0 |
0 |
T43 |
0 |
10 |
0 |
0 |
T44 |
0 |
8 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_en_ctl_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_en_ctl_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T1,T3,T4 |
1 | 0 | Covered | T1,T3,T4 |
1 | 1 | Covered | T1,T3,T4 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T1,T3,T4 |
1 | 0 | Covered | T1,T3,T4 |
1 | 1 | Covered | T1,T3,T4 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_en_ctl_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_en_ctl_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
30759 |
0 |
0 |
T1 |
1197 |
41 |
0 |
0 |
T2 |
106 |
0 |
0 |
0 |
T3 |
733 |
29 |
0 |
0 |
T4 |
1245 |
41 |
0 |
0 |
T5 |
642 |
6 |
0 |
0 |
T6 |
674 |
25 |
0 |
0 |
T7 |
1152 |
41 |
0 |
0 |
T8 |
0 |
29 |
0 |
0 |
T9 |
0 |
23 |
0 |
0 |
T10 |
0 |
29 |
0 |
0 |
T11 |
0 |
4 |
0 |
0 |
T21 |
899 |
0 |
0 |
0 |
T22 |
74 |
0 |
0 |
0 |
T23 |
946 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
30890 |
0 |
0 |
T1 |
299630 |
41 |
0 |
0 |
T2 |
25763 |
0 |
0 |
0 |
T3 |
179799 |
29 |
0 |
0 |
T4 |
105974 |
41 |
0 |
0 |
T5 |
308670 |
6 |
0 |
0 |
T6 |
327577 |
25 |
0 |
0 |
T7 |
144286 |
41 |
0 |
0 |
T8 |
0 |
29 |
0 |
0 |
T9 |
0 |
23 |
0 |
0 |
T10 |
0 |
29 |
0 |
0 |
T11 |
0 |
4 |
0 |
0 |
T21 |
108025 |
0 |
0 |
0 |
T22 |
9439 |
0 |
0 |
0 |
T23 |
71080 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_en_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_en_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T1,T3,T4 |
1 | 0 | Covered | T1,T3,T4 |
1 | 1 | Covered | T1,T3,T4 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T1,T3,T4 |
1 | 0 | Covered | T1,T3,T4 |
1 | 1 | Covered | T1,T3,T4 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_en_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_en_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
30844 |
0 |
0 |
T1 |
299630 |
41 |
0 |
0 |
T2 |
25763 |
0 |
0 |
0 |
T3 |
179799 |
29 |
0 |
0 |
T4 |
105974 |
41 |
0 |
0 |
T5 |
308670 |
6 |
0 |
0 |
T6 |
327577 |
25 |
0 |
0 |
T7 |
144286 |
41 |
0 |
0 |
T8 |
0 |
29 |
0 |
0 |
T9 |
0 |
23 |
0 |
0 |
T10 |
0 |
29 |
0 |
0 |
T11 |
0 |
4 |
0 |
0 |
T21 |
108025 |
0 |
0 |
0 |
T22 |
9439 |
0 |
0 |
0 |
T23 |
71080 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
30856 |
0 |
0 |
T1 |
1197 |
41 |
0 |
0 |
T2 |
106 |
0 |
0 |
0 |
T3 |
733 |
29 |
0 |
0 |
T4 |
1245 |
41 |
0 |
0 |
T5 |
642 |
6 |
0 |
0 |
T6 |
674 |
25 |
0 |
0 |
T7 |
1152 |
41 |
0 |
0 |
T8 |
0 |
29 |
0 |
0 |
T9 |
0 |
23 |
0 |
0 |
T10 |
0 |
29 |
0 |
0 |
T11 |
0 |
4 |
0 |
0 |
T21 |
899 |
0 |
0 |
0 |
T22 |
74 |
0 |
0 |
0 |
T23 |
946 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_pd_ctl_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_pd_ctl_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T1,T3,T4 |
1 | 0 | Covered | T1,T3,T4 |
1 | 1 | Covered | T3,T6,T8 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T1,T3,T4 |
1 | 0 | Covered | T3,T6,T8 |
1 | 1 | Covered | T1,T3,T4 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_pd_ctl_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_pd_ctl_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
14700 |
0 |
0 |
T1 |
1197 |
1 |
0 |
0 |
T2 |
106 |
0 |
0 |
0 |
T3 |
733 |
14 |
0 |
0 |
T4 |
1245 |
1 |
0 |
0 |
T5 |
642 |
3 |
0 |
0 |
T6 |
674 |
12 |
0 |
0 |
T7 |
1152 |
1 |
0 |
0 |
T8 |
0 |
14 |
0 |
0 |
T9 |
0 |
11 |
0 |
0 |
T10 |
0 |
14 |
0 |
0 |
T11 |
0 |
4 |
0 |
0 |
T21 |
899 |
0 |
0 |
0 |
T22 |
74 |
0 |
0 |
0 |
T23 |
946 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
14787 |
0 |
0 |
T1 |
299630 |
1 |
0 |
0 |
T2 |
25763 |
0 |
0 |
0 |
T3 |
179799 |
14 |
0 |
0 |
T4 |
105974 |
1 |
0 |
0 |
T5 |
308670 |
3 |
0 |
0 |
T6 |
327577 |
12 |
0 |
0 |
T7 |
144286 |
1 |
0 |
0 |
T8 |
0 |
14 |
0 |
0 |
T9 |
0 |
11 |
0 |
0 |
T10 |
0 |
14 |
0 |
0 |
T11 |
0 |
4 |
0 |
0 |
T21 |
108025 |
0 |
0 |
0 |
T22 |
9439 |
0 |
0 |
0 |
T23 |
71080 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_pd_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_pd_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T1,T3,T4 |
1 | 0 | Covered | T1,T3,T4 |
1 | 1 | Covered | T3,T6,T8 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T1,T3,T4 |
1 | 0 | Covered | T3,T6,T8 |
1 | 1 | Covered | T1,T3,T4 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_pd_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_pd_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
14774 |
0 |
0 |
T1 |
299630 |
1 |
0 |
0 |
T2 |
25763 |
0 |
0 |
0 |
T3 |
179799 |
14 |
0 |
0 |
T4 |
105974 |
1 |
0 |
0 |
T5 |
308670 |
3 |
0 |
0 |
T6 |
327577 |
12 |
0 |
0 |
T7 |
144286 |
1 |
0 |
0 |
T8 |
0 |
14 |
0 |
0 |
T9 |
0 |
11 |
0 |
0 |
T10 |
0 |
14 |
0 |
0 |
T11 |
0 |
4 |
0 |
0 |
T21 |
108025 |
0 |
0 |
0 |
T22 |
9439 |
0 |
0 |
0 |
T23 |
71080 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
14774 |
0 |
0 |
T1 |
1197 |
1 |
0 |
0 |
T2 |
106 |
0 |
0 |
0 |
T3 |
733 |
14 |
0 |
0 |
T4 |
1245 |
1 |
0 |
0 |
T5 |
642 |
3 |
0 |
0 |
T6 |
674 |
12 |
0 |
0 |
T7 |
1152 |
1 |
0 |
0 |
T8 |
0 |
14 |
0 |
0 |
T9 |
0 |
11 |
0 |
0 |
T10 |
0 |
14 |
0 |
0 |
T11 |
0 |
4 |
0 |
0 |
T21 |
899 |
0 |
0 |
0 |
T22 |
74 |
0 |
0 |
0 |
T23 |
946 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_lp_sample_ctl_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_lp_sample_ctl_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T2,T21,T5 |
1 | 0 | Covered | T2,T21,T5 |
1 | 1 | Covered | T12,T13,T18 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T2,T21,T5 |
1 | 0 | Covered | T12,T13,T18 |
1 | 1 | Covered | T2,T21,T5 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_lp_sample_ctl_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_lp_sample_ctl_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
11685 |
0 |
0 |
T2 |
106 |
1 |
0 |
0 |
T3 |
733 |
0 |
0 |
0 |
T4 |
1245 |
0 |
0 |
0 |
T5 |
642 |
2 |
0 |
0 |
T6 |
674 |
0 |
0 |
0 |
T7 |
1152 |
0 |
0 |
0 |
T8 |
6466 |
0 |
0 |
0 |
T11 |
0 |
3 |
0 |
0 |
T12 |
0 |
4 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T21 |
899 |
1 |
0 |
0 |
T22 |
74 |
1 |
0 |
0 |
T23 |
946 |
1 |
0 |
0 |
T24 |
0 |
1 |
0 |
0 |
T25 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
11813 |
0 |
0 |
T2 |
25763 |
1 |
0 |
0 |
T3 |
179799 |
0 |
0 |
0 |
T4 |
105974 |
0 |
0 |
0 |
T5 |
308670 |
3 |
0 |
0 |
T6 |
327577 |
0 |
0 |
0 |
T7 |
144286 |
0 |
0 |
0 |
T8 |
355717 |
0 |
0 |
0 |
T11 |
0 |
3 |
0 |
0 |
T12 |
0 |
4 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T21 |
108025 |
1 |
0 |
0 |
T22 |
9439 |
1 |
0 |
0 |
T23 |
71080 |
1 |
0 |
0 |
T24 |
0 |
1 |
0 |
0 |
T25 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_lp_sample_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_lp_sample_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T2,T21,T5 |
1 | 0 | Covered | T2,T21,T5 |
1 | 1 | Covered | T12,T13,T18 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T2,T21,T5 |
1 | 0 | Covered | T12,T13,T18 |
1 | 1 | Covered | T2,T21,T5 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_lp_sample_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_lp_sample_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
11766 |
0 |
0 |
T2 |
25763 |
1 |
0 |
0 |
T3 |
179799 |
0 |
0 |
0 |
T4 |
105974 |
0 |
0 |
0 |
T5 |
308670 |
2 |
0 |
0 |
T6 |
327577 |
0 |
0 |
0 |
T7 |
144286 |
0 |
0 |
0 |
T8 |
355717 |
0 |
0 |
0 |
T11 |
0 |
3 |
0 |
0 |
T12 |
0 |
4 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T21 |
108025 |
1 |
0 |
0 |
T22 |
9439 |
1 |
0 |
0 |
T23 |
71080 |
1 |
0 |
0 |
T24 |
0 |
1 |
0 |
0 |
T25 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
11766 |
0 |
0 |
T2 |
106 |
1 |
0 |
0 |
T3 |
733 |
0 |
0 |
0 |
T4 |
1245 |
0 |
0 |
0 |
T5 |
642 |
2 |
0 |
0 |
T6 |
674 |
0 |
0 |
0 |
T7 |
1152 |
0 |
0 |
0 |
T8 |
6466 |
0 |
0 |
0 |
T11 |
0 |
3 |
0 |
0 |
T12 |
0 |
4 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T21 |
899 |
1 |
0 |
0 |
T22 |
74 |
1 |
0 |
0 |
T23 |
946 |
1 |
0 |
0 |
T24 |
0 |
1 |
0 |
0 |
T25 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_sample_ctl_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_sample_ctl_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T2,T21,T5 |
1 | 0 | Covered | T2,T21,T5 |
1 | 1 | Covered | T12,T13,T18 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T2,T21,T5 |
1 | 0 | Covered | T12,T13,T18 |
1 | 1 | Covered | T2,T21,T5 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_sample_ctl_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_sample_ctl_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
11664 |
0 |
0 |
T2 |
106 |
1 |
0 |
0 |
T3 |
733 |
0 |
0 |
0 |
T4 |
1245 |
0 |
0 |
0 |
T5 |
642 |
2 |
0 |
0 |
T6 |
674 |
0 |
0 |
0 |
T7 |
1152 |
0 |
0 |
0 |
T8 |
6466 |
0 |
0 |
0 |
T11 |
0 |
3 |
0 |
0 |
T12 |
0 |
4 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T21 |
899 |
1 |
0 |
0 |
T22 |
74 |
1 |
0 |
0 |
T23 |
946 |
1 |
0 |
0 |
T24 |
0 |
1 |
0 |
0 |
T25 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
11794 |
0 |
0 |
T2 |
25763 |
1 |
0 |
0 |
T3 |
179799 |
0 |
0 |
0 |
T4 |
105974 |
0 |
0 |
0 |
T5 |
308670 |
3 |
0 |
0 |
T6 |
327577 |
0 |
0 |
0 |
T7 |
144286 |
0 |
0 |
0 |
T8 |
355717 |
0 |
0 |
0 |
T11 |
0 |
3 |
0 |
0 |
T12 |
0 |
4 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T21 |
108025 |
1 |
0 |
0 |
T22 |
9439 |
1 |
0 |
0 |
T23 |
71080 |
1 |
0 |
0 |
T24 |
0 |
1 |
0 |
0 |
T25 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_sample_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_sample_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T2,T21,T5 |
1 | 0 | Covered | T2,T21,T5 |
1 | 1 | Covered | T12,T13,T18 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T2,T21,T5 |
1 | 0 | Covered | T12,T13,T18 |
1 | 1 | Covered | T2,T21,T5 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_sample_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_sample_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
11749 |
0 |
0 |
T2 |
25763 |
1 |
0 |
0 |
T3 |
179799 |
0 |
0 |
0 |
T4 |
105974 |
0 |
0 |
0 |
T5 |
308670 |
2 |
0 |
0 |
T6 |
327577 |
0 |
0 |
0 |
T7 |
144286 |
0 |
0 |
0 |
T8 |
355717 |
0 |
0 |
0 |
T11 |
0 |
3 |
0 |
0 |
T12 |
0 |
4 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T21 |
108025 |
1 |
0 |
0 |
T22 |
9439 |
1 |
0 |
0 |
T23 |
71080 |
1 |
0 |
0 |
T24 |
0 |
1 |
0 |
0 |
T25 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
11749 |
0 |
0 |
T2 |
106 |
1 |
0 |
0 |
T3 |
733 |
0 |
0 |
0 |
T4 |
1245 |
0 |
0 |
0 |
T5 |
642 |
2 |
0 |
0 |
T6 |
674 |
0 |
0 |
0 |
T7 |
1152 |
0 |
0 |
0 |
T8 |
6466 |
0 |
0 |
0 |
T11 |
0 |
3 |
0 |
0 |
T12 |
0 |
4 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T21 |
899 |
1 |
0 |
0 |
T22 |
74 |
1 |
0 |
0 |
T23 |
946 |
1 |
0 |
0 |
T24 |
0 |
1 |
0 |
0 |
T25 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_fsm_rst_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_fsm_rst_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T12,T13,T14 |
1 | 0 | Covered | T12,T13,T14 |
1 | 1 | Covered | T13,T14,T15 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T12,T13,T14 |
1 | 0 | Covered | T13,T14,T15 |
1 | 1 | Covered | T12,T13,T14 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_fsm_rst_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_fsm_rst_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
16423 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
4 |
0 |
0 |
T14 |
32998 |
2 |
0 |
0 |
T15 |
38685 |
2 |
0 |
0 |
T16 |
0 |
2 |
0 |
0 |
T17 |
0 |
2 |
0 |
0 |
T18 |
0 |
4 |
0 |
0 |
T19 |
0 |
10 |
0 |
0 |
T20 |
0 |
2 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
T40 |
0 |
3 |
0 |
0 |
T47 |
91 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
16511 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
4 |
0 |
0 |
T14 |
395989 |
2 |
0 |
0 |
T15 |
522269 |
2 |
0 |
0 |
T16 |
0 |
2 |
0 |
0 |
T17 |
0 |
2 |
0 |
0 |
T18 |
0 |
4 |
0 |
0 |
T19 |
0 |
10 |
0 |
0 |
T20 |
0 |
2 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
T40 |
0 |
3 |
0 |
0 |
T47 |
44086 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_fsm_rst_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_fsm_rst_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T12,T13,T14 |
1 | 0 | Covered | T12,T13,T14 |
1 | 1 | Covered | T13,T14,T15 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T12,T13,T14 |
1 | 0 | Covered | T13,T14,T15 |
1 | 1 | Covered | T12,T13,T14 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_fsm_rst_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_fsm_rst_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
16501 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
4 |
0 |
0 |
T14 |
395989 |
2 |
0 |
0 |
T15 |
522269 |
2 |
0 |
0 |
T16 |
0 |
2 |
0 |
0 |
T17 |
0 |
2 |
0 |
0 |
T18 |
0 |
4 |
0 |
0 |
T19 |
0 |
10 |
0 |
0 |
T20 |
0 |
2 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
T40 |
0 |
3 |
0 |
0 |
T47 |
44086 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
16501 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
4 |
0 |
0 |
T14 |
32998 |
2 |
0 |
0 |
T15 |
38685 |
2 |
0 |
0 |
T16 |
0 |
2 |
0 |
0 |
T17 |
0 |
2 |
0 |
0 |
T18 |
0 |
4 |
0 |
0 |
T19 |
0 |
10 |
0 |
0 |
T20 |
0 |
2 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
T40 |
0 |
3 |
0 |
0 |
T47 |
91 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_0_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T11,T12 |
1 | 0 | Covered | T5,T11,T12 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T11,T12 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T5,T11,T12 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_0_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1908 |
0 |
0 |
T5 |
642 |
1 |
0 |
0 |
T6 |
674 |
0 |
0 |
0 |
T7 |
1152 |
0 |
0 |
0 |
T8 |
6466 |
0 |
0 |
0 |
T9 |
4711 |
0 |
0 |
0 |
T10 |
774 |
0 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
0 |
2 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T14 |
0 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
6 |
0 |
0 |
T22 |
74 |
0 |
0 |
0 |
T23 |
946 |
0 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1995 |
0 |
0 |
T5 |
308670 |
1 |
0 |
0 |
T6 |
327577 |
0 |
0 |
0 |
T7 |
144286 |
0 |
0 |
0 |
T8 |
355717 |
0 |
0 |
0 |
T9 |
235626 |
0 |
0 |
0 |
T10 |
372228 |
0 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
0 |
2 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T14 |
0 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
6 |
0 |
0 |
T22 |
9439 |
0 |
0 |
0 |
T23 |
71080 |
0 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T11,T12 |
1 | 0 | Covered | T5,T11,T12 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T11,T12 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T5,T11,T12 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1984 |
0 |
0 |
T5 |
308670 |
1 |
0 |
0 |
T6 |
327577 |
0 |
0 |
0 |
T7 |
144286 |
0 |
0 |
0 |
T8 |
355717 |
0 |
0 |
0 |
T9 |
235626 |
0 |
0 |
0 |
T10 |
372228 |
0 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
0 |
2 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T14 |
0 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
6 |
0 |
0 |
T22 |
9439 |
0 |
0 |
0 |
T23 |
71080 |
0 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1984 |
0 |
0 |
T5 |
642 |
1 |
0 |
0 |
T6 |
674 |
0 |
0 |
0 |
T7 |
1152 |
0 |
0 |
0 |
T8 |
6466 |
0 |
0 |
0 |
T9 |
4711 |
0 |
0 |
0 |
T10 |
774 |
0 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
0 |
2 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T14 |
0 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
6 |
0 |
0 |
T22 |
74 |
0 |
0 |
0 |
T23 |
946 |
0 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_1_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_1_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1812 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1899 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1885 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1885 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_2_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_2_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1824 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1911 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1898 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1898 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_3_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_3_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_3_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_3_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1847 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1933 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1922 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1922 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_4_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_4_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_4_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_4_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1823 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1904 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1895 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1895 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_5_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_5_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_5_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_5_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1802 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1888 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1878 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1878 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_6_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_6_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_6_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_6_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1831 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1913 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1902 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1902 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_7_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_7_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_7_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_7_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1800 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1883 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1873 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1873 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_0_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T11,T12 |
1 | 0 | Covered | T5,T11,T12 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T11,T12 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T5,T11,T12 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_0_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1908 |
0 |
0 |
T5 |
642 |
1 |
0 |
0 |
T6 |
674 |
0 |
0 |
0 |
T7 |
1152 |
0 |
0 |
0 |
T8 |
6466 |
0 |
0 |
0 |
T9 |
4711 |
0 |
0 |
0 |
T10 |
774 |
0 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
0 |
2 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T14 |
0 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
6 |
0 |
0 |
T22 |
74 |
0 |
0 |
0 |
T23 |
946 |
0 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1997 |
0 |
0 |
T5 |
308670 |
1 |
0 |
0 |
T6 |
327577 |
0 |
0 |
0 |
T7 |
144286 |
0 |
0 |
0 |
T8 |
355717 |
0 |
0 |
0 |
T9 |
235626 |
0 |
0 |
0 |
T10 |
372228 |
0 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
0 |
2 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T14 |
0 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
6 |
0 |
0 |
T22 |
9439 |
0 |
0 |
0 |
T23 |
71080 |
0 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T11,T12 |
1 | 0 | Covered | T5,T11,T12 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T11,T12 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T5,T11,T12 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1984 |
0 |
0 |
T5 |
308670 |
1 |
0 |
0 |
T6 |
327577 |
0 |
0 |
0 |
T7 |
144286 |
0 |
0 |
0 |
T8 |
355717 |
0 |
0 |
0 |
T9 |
235626 |
0 |
0 |
0 |
T10 |
372228 |
0 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
0 |
2 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T14 |
0 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
6 |
0 |
0 |
T22 |
9439 |
0 |
0 |
0 |
T23 |
71080 |
0 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1984 |
0 |
0 |
T5 |
642 |
1 |
0 |
0 |
T6 |
674 |
0 |
0 |
0 |
T7 |
1152 |
0 |
0 |
0 |
T8 |
6466 |
0 |
0 |
0 |
T9 |
4711 |
0 |
0 |
0 |
T10 |
774 |
0 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
0 |
2 |
0 |
0 |
T13 |
0 |
2 |
0 |
0 |
T14 |
0 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
6 |
0 |
0 |
T22 |
74 |
0 |
0 |
0 |
T23 |
946 |
0 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_1_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_1_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1828 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1916 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1903 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1903 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_2_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_2_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1822 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1906 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1895 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1895 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_3_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_3_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_3_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_3_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1859 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1944 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1933 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1933 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_4_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_4_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_4_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_4_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1831 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1914 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1905 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1905 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_5_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_5_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_5_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_5_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1792 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1878 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1866 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1866 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_6_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_6_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_6_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_6_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1809 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1891 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1880 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1880 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_7_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_7_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_7_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_7_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1845 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1931 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T18,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T18,T79 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1920 |
0 |
0 |
T11 |
112949 |
2 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1920 |
0 |
0 |
T11 |
1877 |
2 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
1 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T18 |
0 |
2 |
0 |
0 |
T19 |
0 |
4 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_wakeup_ctl_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_wakeup_ctl_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T49,T128 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T49,T128 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_wakeup_ctl_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_wakeup_ctl_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1361 |
0 |
0 |
T11 |
1877 |
1 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
0 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T19 |
0 |
1 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T41 |
0 |
2 |
0 |
0 |
T46 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1446 |
0 |
0 |
T11 |
112949 |
1 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
0 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T19 |
0 |
1 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T41 |
0 |
2 |
0 |
0 |
T46 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_wakeup_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_wakeup_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T11,T12,T13 |
1 | 1 | Covered | T13,T49,T128 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T12,T13 |
1 | 0 | Covered | T13,T49,T128 |
1 | 1 | Covered | T11,T12,T13 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_wakeup_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_adc_wakeup_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1436 |
0 |
0 |
T11 |
112949 |
1 |
0 |
0 |
T12 |
255584 |
1 |
0 |
0 |
T13 |
171132 |
2 |
0 |
0 |
T14 |
395989 |
0 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T19 |
0 |
1 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T41 |
0 |
2 |
0 |
0 |
T46 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
1436 |
0 |
0 |
T11 |
1877 |
1 |
0 |
0 |
T12 |
9608 |
1 |
0 |
0 |
T13 |
69964 |
2 |
0 |
0 |
T14 |
32998 |
0 |
0 |
0 |
T15 |
0 |
1 |
0 |
0 |
T17 |
0 |
1 |
0 |
0 |
T19 |
0 |
1 |
0 |
0 |
T20 |
0 |
1 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T41 |
0 |
2 |
0 |
0 |
T46 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_filter_status_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_filter_status_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T13,T14 |
1 | 0 | Covered | T11,T13,T14 |
1 | 1 | Covered | T13,T14,T15 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T11,T13,T14 |
1 | 0 | Covered | T13,T14,T15 |
1 | 1 | Covered | T11,T13,T14 |
Branch Coverage for Instance : tb.dut.u_reg.u_filter_status_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_reg.u_filter_status_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34247075 |
68860 |
0 |
0 |
T11 |
1877 |
1 |
0 |
0 |
T12 |
9608 |
0 |
0 |
0 |
T13 |
69964 |
90 |
0 |
0 |
T14 |
32998 |
77 |
0 |
0 |
T15 |
0 |
77 |
0 |
0 |
T16 |
0 |
77 |
0 |
0 |
T17 |
0 |
70 |
0 |
0 |
T18 |
0 |
155 |
0 |
0 |
T19 |
0 |
1 |
0 |
0 |
T20 |
0 |
78 |
0 |
0 |
T24 |
104 |
0 |
0 |
0 |
T25 |
843 |
0 |
0 |
0 |
T26 |
1156 |
0 |
0 |
0 |
T27 |
7484 |
0 |
0 |
0 |
T28 |
719 |
0 |
0 |
0 |
T29 |
839 |
0 |
0 |
0 |
T40 |
0 |
7 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
68948 |
0 |
0 |
T11 |
112949 |
1 |
0 |
0 |
T12 |
255584 |
0 |
0 |
0 |
T13 |
171132 |
90 |
0 |
0 |
T14 |
395989 |
77 |
0 |
0 |
T15 |
0 |
77 |
0 |
0 |
T16 |
0 |
77 |
0 |
0 |
T17 |
0 |
70 |
0 |
0 |
T18 |
0 |
155 |
0 |
0 |
T19 |
0 |
1 |
0 |
0 |
T20 |
0 |
78 |
0 |
0 |
T24 |
12738 |
0 |
0 |
0 |
T25 |
50651 |
0 |
0 |
0 |
T26 |
109966 |
0 |
0 |
0 |
T27 |
183417 |
0 |
0 |
0 |
T28 |
180001 |
0 |
0 |
0 |
T29 |
96579 |
0 |
0 |
0 |
T40 |
0 |
7 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_adc_ctrl_core.u_oneshot_done_sync
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_adc_ctrl_core.u_oneshot_done_sync
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T1,T3,T4 |
1 | 0 | Covered | T1,T3,T4 |
1 | 1 | Covered | T1,T3,T4 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T1,T3,T4 |
1 | 0 | Covered | T1,T3,T4 |
1 | 1 | Covered | T1,T3,T4 |
Branch Coverage for Instance : tb.dut.u_adc_ctrl_core.u_oneshot_done_sync
| Line No. | Total | Covered | Percent |
Branches |
|
4 |
4 |
100.00 |
IF |
31 |
2 |
2 |
100.00 |
IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_adc_ctrl_core.u_oneshot_done_sync
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
5055 |
0 |
0 |
T1 |
299630 |
20 |
0 |
0 |
T2 |
25763 |
0 |
0 |
0 |
T3 |
179799 |
7 |
0 |
0 |
T4 |
105974 |
20 |
0 |
0 |
T5 |
308670 |
0 |
0 |
0 |
T6 |
327577 |
4 |
0 |
0 |
T7 |
144286 |
20 |
0 |
0 |
T10 |
0 |
5 |
0 |
0 |
T16 |
0 |
40 |
0 |
0 |
T21 |
108025 |
0 |
0 |
0 |
T22 |
9439 |
0 |
0 |
0 |
T23 |
71080 |
0 |
0 |
0 |
T26 |
0 |
20 |
0 |
0 |
T28 |
0 |
4 |
0 |
0 |
T103 |
0 |
20 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34162547 |
5055 |
0 |
0 |
T1 |
1197 |
20 |
0 |
0 |
T2 |
106 |
0 |
0 |
0 |
T3 |
733 |
7 |
0 |
0 |
T4 |
1245 |
20 |
0 |
0 |
T5 |
642 |
0 |
0 |
0 |
T6 |
674 |
4 |
0 |
0 |
T7 |
1152 |
20 |
0 |
0 |
T10 |
0 |
5 |
0 |
0 |
T16 |
0 |
40 |
0 |
0 |
T21 |
899 |
0 |
0 |
0 |
T22 |
74 |
0 |
0 |
0 |
T23 |
946 |
0 |
0 |
0 |
T26 |
0 |
20 |
0 |
0 |
T28 |
0 |
4 |
0 |
0 |
T103 |
0 |
20 |
0 |
0 |